Roofing Installation Articles

#28 – Minimum Roof Pitch with Metal Roofing

March 31, 2017

Most residential metal roofs require at least a 3:12 roof pitch and have no maximum roof pitch. That means there is at least 3” of vertical rise to the roof slope for every 12” it goes back horizontally. That is a 14 degree angle. Mechanically seamed standing seam metal roofs, commonly used on large warehouses… ( read more )

Can Metal Roofs Be Installed Direct Over Old Shingles?

March 8, 2017

Q: Is it OK for metal roofing to be screwed down directly on top of asphalt shingles, without any wood or other material between the metal and shingle? A. You may wish to take a look at the videos in our Metal Roofing 101 video series … there may be some topics of interest to you. I… ( read more )

#24 – Using Foam Inserts with Metal Roofing

February 28, 2017

Metal shingle roofing offers unique beauty by providing depth and detail that is unmatched by other types of metal roofing. The formation of the products creates an air gap between the metal and the roof deck on a structure. That air gap is very beneficial as it becomes a thermal break to stop conductive heat… ( read more )

#9 – Valley Systems

February 21, 2017

If your home’s roof has valleys on it, it’s important to know how those valleys will be handled if you’re having a metal roof installed. Valleys occur on a roof when adjoining roof planes meet, usually at a right angle with an inside corner. If your home ever gets debris on the roof such as… ( read more )

Recent Question About Roof Deck Insulation

February 16, 2017

I received the following question recently from a homeowner named Tom. He is obviously doing his homework to ensure a successful roofing project. I like that! Q: Todd, I saw your info on metal roofs over shingles and have a few questions. I have a double wide low pitch roof that has some saging between… ( read more )

Metal Roof: Battens or No Battens for Installation?

April 27, 2016

Q: Can a metal roof be installed over my existing shingles without the use of battens? This great question comes from Edward C., a homeowner who plans to have a new metal roof installed over the aging, existing shingles on his single story home. Thanks, Edward, for allowing me to share our correspondence on this… ( read more )